{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "concept or principle", "manufacturing process", "material", "engineering feature"], "input": "More advanced methods use genetic algorithms that both add and remove materials ."}
{"machine or equipment": [], "concept or principle": ["genetic algorithms", "materials"], "manufacturing process": [], "material": [], "engineering feature": []}